diff --git a/src/main/resources/mixin/frozenlib.cape.mixins.json b/src/main/resources/mixin/frozenlib.cape.mixins.json
index 826edb9f..f7ad48a1 100644
--- a/src/main/resources/mixin/frozenlib.cape.mixins.json
+++ b/src/main/resources/mixin/frozenlib.cape.mixins.json
@@ -2,7 +2,7 @@
   "required": true,
   "minVersion": "0.8",
   "package": "net.frozenblock.lib.cape.mixin",
-  "compatibilityLevel": "JAVA_21",
+  "compatibilityLevel": "JAVA_17",
   "injectors": {
     "defaultRequire": 1
   },
diff --git a/src/main/resources/mixin/frozenlib.debug.mixins.json b/src/main/resources/mixin/frozenlib.debug.mixins.json
index e512da6b..8f9a9cf3 100644
--- a/src/main/resources/mixin/frozenlib.debug.mixins.json
+++ b/src/main/resources/mixin/frozenlib.debug.mixins.json
@@ -2,7 +2,7 @@
   "required": true,
   "minVersion": "0.8",
   "package": "net.frozenblock.lib.debug.mixin",
-  "compatibilityLevel": "JAVA_21",
+  "compatibilityLevel": "JAVA_17",
   "injectors": {
     "defaultRequire": 1
   },
diff --git a/src/main/resources/mixin/frozenlib.image_transfer.mixins.json b/src/main/resources/mixin/frozenlib.image_transfer.mixins.json
index c8cf416c..aa9a5310 100644
--- a/src/main/resources/mixin/frozenlib.image_transfer.mixins.json
+++ b/src/main/resources/mixin/frozenlib.image_transfer.mixins.json
@@ -2,7 +2,7 @@
   "required": true,
   "minVersion": "0.8",
   "package": "net.frozenblock.lib.image_transfer.mixin",
-  "compatibilityLevel": "JAVA_21",
+  "compatibilityLevel": "JAVA_17",
   "injectors": {
     "defaultRequire": 1
   },